The United States District Court for the Northern District of Texas has concluded a judgment for patent and trademark infringement and related claims against Armor USA, on April 22, 2008. The judgment finds DSM's patent valid and infringed. It also finds that Armor USA infringed DSM's registered trademarks Dyneema® and Dyneema Purity® by using the brand name "Unima" in connection with products it was offering for sale. The judgment relates to DSM's super strong polyethylene fiber Dyneema®. With this judgment DSM was able to stop Armor USA from selling infringing products comprising polyethylene fiber on the US market. Armor USA is a Texas based company with manufacturing operations in China.